6 of 6 Permanent Legacy Systems Jobs in Chesterfield

Technical Lead / Architect (.NET) - Chesterfield - New (REF50)

Hiring Organisation
RedRock Resourcing
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
capable of designing secure, scalable architectures while providing day-to-day technical leadership. You will play a key role in modernising legacy systems, supporting the delivery of new features, and ensuring technical decisions align closely with both user needs and wider business goals. With a strong customer … gather feedback Skills & Experience (Essential) 5+ years' experience designing and delivering solutions using the .NET framework Strong experience architecting scalable, secure, and high-performance systems Hands-on development experience with C# and modern .NET technologies Ability to translate business and user requirements into robust technical designs Experience leading code ...

Data Engineer

Hiring Organisation
NEC Software Solutions
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
risks, and collaborate closely with technical and business stakeholders. Key Responsibilities Design, develop, and execute ETL processes to migrate data from legacy systems to target platforms. Write and optimise complex SQL queries (preferably MySQL) to support data extraction, transformation, and validation. Apply the full data quality framework … resolve data-related issues promptly. Ensure migrations comply with data governance, security, and regulatory requirements. Work with case management software and related systems to understand data structures and workflows. Qualifications Essential: Proven experience in public sector large-scale data migration projects. Strong SQL development skills within MySQL environments. Solid ...

Enterprise Architect

Hiring Organisation
CitNOW Group
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
platforms, applications and data landscapes. We are seeking an experienced Enterprise Architect to define and implement a group-wide architecture strategy that unifies these systems within a cohesive, scalable and future-ready environment, enabling us to accelerate innovation in a secure and scalable manner. We're seeking strong expertise … Develop and maintain a unified enterprise architecture framework that spans all acquired businesses Define standards and blueprints for integration, data architecture, and core enterprise systems Integration & Consolidation Lead the design of integration strategies to connect disparate platforms, applications, and processes across the group and with external third-parties Oversee ...

Oracle APEX Consultant

Hiring Organisation
Frontier Resourcing
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
integration layers (OIC) to curate clean, well-modelled datasets. Contribute to data migration activities, ensuring accuracy, integrity and auditability throughout transitions from legacy systems. Apply security-by-design, access controls and logging appropriate for regulated MOD environments. Operate in Agile delivery squads with APEX devs, data engineers, integration ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

D365 CRM Technical Consultant

Hiring Organisation
Next Ventures
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
resource, operating between a Senior Developer and a Technical Architect. Lead the technical re-engineering and business transformation efforts, migrating wholesale legacy systems to Dynamics 365 CRM. Focus on CRM-centric development and architecture to support the 'inside out' transformation. Design and implement solutions to expand ...